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4

The thrust force will increase with the increase in

A. Side cutting edge angle

B. Tool nose radius

C. Rake angle

D. End cutting edge angle

Correct Answer :

A. Side cutting edge angle


Related Questions

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4

The silicon carbide abrasive is chiefly used for grinding

A. Cemented carbide

B. Ceramic

C. Cast iron

D. All of these

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4

In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as Positive pole of the welding arc, the arrangement is known as

A. Fusion

B. Reverse polarity

C. Forward welding

D. Direct polarity

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4

Which of the following engineering materials is the most suitable candidate for hot chamber die casting?

A. Low carbon steel

B. Titanium

C. Copper

D. Tin

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4

In machining metals, chips break due to __________ of work material.

A. Toughness

B. Ductility

C. Elasticity

D. Work hardening

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4

What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?

A. Incomplete fusion

B. Lamellar tearing

C. Mismatch

D. Shrinkage void

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4

What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?

A. Porosity

B. Undercut

C. Under fill

D. Crack

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4

The angle between the face and flank of the single point cutting tool is known as

A. Rake angle

B. Clearance angle

C. Lip angle

D. Point angle

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4

Glazing in grinding wheels can be decreased by

A. Using a harder wheel or by increasing the wheel speed

B. Using a softer wheel or by decreasing the wheel speed

C. Using a harder wheel or by decreasing the wheel speed

D. Using a softer wheel or by increasing the wheel speed

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4

The operation of machining several surfaces of a workpiece simultaneously is called

A. Profile milling

B. Gang milling

C. Saw milling

D. Helical milling

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4

Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer using the given codes.
List-I (Equipment)List-II (Process)
P. Hot Chamber Machine1. Cleaning
Q. Muller2. Core making
R. Dielectric Baker3. Die casting
S. Sand Blaster4. Annealing
.5. Sand mixing

A. P-2, Q-1, R-4, S-5

B. P-4, Q-2, R-3, S-5

C. P-4, Q-5, R-1, S-2

D. P-3, Q-5, R-2, S-1

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4

Side relief angle of a single point tool is the angle

A. By which the face of the tool is inclined towards back

B. By which the face of the tool is inclined sideways

C. Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of tool

D. Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base

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4

A twist drill is specified by its

A. Shank, material and diameter

B. Shank, lip angle and size of flute

C. Material, length of body and helix angle

D. Any one of these

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4

The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is _________ cutting speed for drilling mild steel with high speed steel drills.

A. Equal to

B. Less than

C. More than

D. None of these

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4

The width of cutting edge of a parting off tool varies from

A. 3 to 12 mm

B. 5 to 20 mm

C. 8 to 30 mm

D. 15 to 40 mm

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4

Buffing wheels are made of

A. Softer metals

B. Cotton fabric

C. Carbon

D. Graphite

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4

The operation of smoothing and squaring the surface around a hole is known as

A. Counter-sinking

B. Counter-boring

C. Trepanning

D. Spot facing

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4

A drill considered as a cutting tool having zero rake, is known as a

A. Flat drill

B. Straight fluted drill

C. Parallel shank twist drill

D. Tapered shank twist drill

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4

Jigs are used

A. For holding and guiding the tool in drilling, reaming or tapping operations

B. For holding the work in milling, grinding, planing or turning operations

C. To check the accuracy of workpiece

D. None of the above

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4

The different spindle speeds on a lathe form

A. Arithmetical progression

B. Geometrical progression

C. Harmonical progression

D. Any one of these

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4

The chamfering is an operation of

A. Bevelling the extreme end of a workpiece

B. Embossing a diamond shaped pattern on the surface of a workpiece

C. Reducing the diameter of a workpiece over a very narrow surface

D. Enlarging the end of a hole cylindrically

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4

The thrust force will increase with the increase in

A. Side cutting edge angle

B. Tool nose radius

C. Rake angle

D. End cutting edge angle

What is the correct answer?

4

The mechanism of material removal in EDM process is

A. Melting and Evaporation

B. Melting and Corrosion

C. Erosion and Cavitations

D. Cavitations and Evaporation

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4

A ring gauge is used to measure

A. Outside diameter but not roundness

B. Roundness but not outside diameter

C. Both outside diameter and roundness

D. Only external threads

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4

The cutting fluid mostly used for machining alloy steels is

A. Water

B. Soluble oil

C. Dry

D. Sulphurised mineral oil

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4

The type of tool used on milling machine and broaching machine is

A. Single point cutting tool

B. Two point cutting tool

C. Three point cutting tool

D. Multipoint cutting tool

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4

If the cutting speed is increased, then the built-up-edge

A. Becomes longer

B. May or may not form

C. Becomes smaller and finally does not form at all

D. Has nothing to do with speed

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4

What type of fusion welding process is used for welding sheet metals of all engineering metals (except Cu, Ag) in automobile and air craft industries, pipe and tubing production?

A. Thermit welding

B. Electroslag welding

C. Resistance welding

D. Submerged arc welding

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4

For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature of

A. 50°C

B. 100°C

C. 175°C

D. 275°C

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4

The high cutting speed and large rake angle of the tool will result in the formation of

A. Continuous chips

B. Discontinuous chip

C. Continuous chips with built up edge

D. None of these

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4

In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called

A. Friction zone

B. Work-tool contact zone

C. Shear zone

D. None of these